To get the best out of it.
You first need a primer paint which is traditionally grey (you may need to slightly key he surface of the frame) with very fine sand paper,then add a one then a few hours later a second coat of primer, then at least 24 hrs later put on first coat of top paint, then...
It's a Silver fantail goldfish. The fish has never done this before, after about one hour it stopped, but am wondering if this is normal or if there is something I could do?
Okay yes vertical, head to the top, tail to the bottom.